{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:XTUJSX6AYHF7QHG7MSYZRZJRHC","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5093b83967b8f7a907eb9e38690a1d3bfc93e581e24fc28837bc1529a514ea59","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-06-05T14:35:57Z","title_canon_sha256":"24bb90d32bfc986b408154eaf4f5b73b0ae78191af5b06c99ce656df98553193"},"schema_version":"1.0","source":{"id":"0806.0981","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.0981","created_at":"2026-07-04T15:37:04Z"},{"alias_kind":"arxiv_version","alias_value":"0806.0981v1","created_at":"2026-07-04T15:37:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.0981","created_at":"2026-07-04T15:37:04Z"},{"alias_kind":"pith_short_12","alias_value":"XTUJSX6AYHF7","created_at":"2026-07-04T15:37:04Z"},{"alias_kind":"pith_short_16","alias_value":"XTUJSX6AYHF7QHG7","created_at":"2026-07-04T15:37:04Z"},{"alias_kind":"pith_short_8","alias_value":"XTUJSX6A","created_at":"2026-07-04T15:37:04Z"}],"graph_snapshots":[{"event_id":"sha256:5bce57fe1925981219041885dac2b0eaac8f32ed96838af3e793c830af95b3a8","target":"graph","created_at":"2026-07-04T15:37:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0806.0981/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this article we have studied a closed universe which a holographic energy on the brane whose energy density is described by $\\rho (H) =3c^{2}H^{2}$ and we obtain an equation for the Hubble parameter, this equation gave us different physical behavior depending if $c^2>1$ or $c^2<1$ against of the sign of the brane tension.","authors_text":"Francisco Pena, Joel Saavedra, Samuel Lepe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-06-05T14:35:57Z","title":"Holographic Cosmological Models on the Braneworld"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.0981","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8257163a1f3b54688771f6e9489a3e341a403719cb4fe846e8f631568c68f339","target":"record","created_at":"2026-07-04T15:37:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5093b83967b8f7a907eb9e38690a1d3bfc93e581e24fc28837bc1529a514ea59","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-06-05T14:35:57Z","title_canon_sha256":"24bb90d32bfc986b408154eaf4f5b73b0ae78191af5b06c99ce656df98553193"},"schema_version":"1.0","source":{"id":"0806.0981","kind":"arxiv","version":1}},"canonical_sha256":"bce8995fc0c1cbf81cdf64b198e53138a3967eacd003286d5cd2b5202c2c53fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bce8995fc0c1cbf81cdf64b198e53138a3967eacd003286d5cd2b5202c2c53fb","first_computed_at":"2026-07-04T15:37:04.959937Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:37:04.959937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9JuSufsjy3nAuAXgB6iqOvQfWR6SteuJCJ4dtDv/QU9rF4OvOhlvp86jRMyAdWM624tA+TfsFLE6L0g/WhypDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:37:04.960353Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.0981","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8257163a1f3b54688771f6e9489a3e341a403719cb4fe846e8f631568c68f339","sha256:5bce57fe1925981219041885dac2b0eaac8f32ed96838af3e793c830af95b3a8"],"state_sha256":"99a14b1e86f91fefd8283b6832776ebf474bb7cc1ebd8d111d0bdd20be54a391"}